Pager

Pager

new Pager(optionsopt)

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Properties:
Name Type Attributes Default Description
options.position String <optional>
 "top"

The position of the Navigation. Can either be top, right, left or bottom.
options.show Integer <optional>

The page to show. Set to -1 to hide all pages.
options.pages Array.<(Container|DOMNode|String)> <optional>
 []

An array of either an instance of Container (or derivate), a DOMNode or a string of HTML which gets wrapped in a new Container.

Pager, also known as Notebook in other UI toolkits, provides multiple containers for displaying contents via Pages which are switchable via a Navigation.

Example
var pager = new Pager({
 pages: [
  {
    label: "Empty Page 1",
    content: document.createElement("span")
  },
  {
    label: { label:"Foobar", class:"foobar" },
    content: "<h1>Foobar</h1><p>Lorem ipsum dolor sit amet</p>"
  }
 ]
});
Parameters:
Name Type Attributes Default Description
options Object <optional>
 { }

An object containing initial options.

Extends

Members

element

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The main DIV element. Has the class .aux-pager.

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The Navigation instance acting as the menu.

pages

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The Pages instance.

Methods

addChild(child)

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Registers a widget as a child widget. This method is used to build up the widget tree. It does not modify the DOM tree.

Parameters:
Name Type Description
child Widget

The child to add.
Fires:
  • Widget#event:child_added

addChildren(a)

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Registers an array of widgets as children.

Parameters:
Name Type Description
a Array.<Widget>

An array of Widgets.

addPage(buttonOptions, content, optionsopt, positionopt)

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Adds a Container to the pager and a corresponding Button to the pagers Navigation.

Parameters:
Name Type Attributes Default Description
buttonOptions string | Object

A string with the Buttons label or an object containing options for the Button instance.
content Container | DOMNode | string

The content of the page. Either a Container (or derivate) widget, a DOMNode or a string of HTML which gets wrapped in a new Container using options from argument options.
options Object <optional>
 { }

An object containing options for the Container to be added as page if content is either a string or a DOMNode.
position integer | undefined <optional>

The position to add the new page to. If undefined, the page is added at the end.
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addPages(options)

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Adds an array of pages.

Example
var p = new Pager();
p.addPages([
  {
    label: "Page 1",
    icon: "gear",
    content: "<h1>Page1</h1>",
  }
]);
Parameters:
Name Type Description
options Array.<Object>

An Array of objects with members content and all options available in Button. content is either a Container (or derivate) widget, a DOMNode or a string of HTML which gets wrapped in a new Container with options from argument options.

allChildren()

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Returns an array of all children.

appendChild(child)

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Appends child.element to the widget element and registers child as a child widget.

Parameters:
Name Type Description
child Widget

The child widget to append.

appendChildren(children)

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Calls Widget#appendChild for an array of widgets.

Parameters:
Name Type Description
children Array.<Widget>

The child widgets to append.

current()

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Returns the currently displayed page or null.

disableTansitions()

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Disable CSS transitions.

enableDraw()

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Schedules this widget for drawing.

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enableDrawChildren()

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Enables rendering for all children of this widget.

enableTransitions()

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Enable CSS transitions.

first()

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Opens the first page of the pager. Returns true if a first page exists, false otherwise.

forceHide()

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Hide the widget immediately by applying the class aux-hide. Does not call disableDraw().

forceShow()

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Show the widget immediately by applying the class aux-show. Does not call enableDraw().

getStyle()

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Returns the computed style of this widget's DOM element.

hidden()

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Returns the current hidden status.

hide()

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Starts the transition of the visible to false.

hideChild(child)

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Switches the hidden state of a child to hidden. The argument is either the child index or the child itself.

Parameters:
Name Type Description
child Object | integer

Child or its index.

invalidate(key)

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Invalidates an option and triggers a redraw() call.

Parameters:
Name Type Description
key string

isChildHidden(child) → {boolean}

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Returns true if the given child is currently marked as hidden in this container.

Parameters:
Name Type Description
child number | Widget
Returns:
Type
boolean

last()

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Opens the last page of the pager. Returns true if a last page exists, false otherwise.

next()

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Opens the next page of the pager. Returns true if a next page exists, false otherwise.

observeResize(cb)

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Calls a callback whenever the widget resizes. This method will trigger one resize.

Parameters:
Name Type Description
cb function

prev()

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Opens the previous page of the pager. Returns true if a previous page exists, false otherwise.

removeChild(child)

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Removes a child widget. Note that this method only modifies the widget tree and does not change the DOM.

Parameters:
Name Type Description
child Widget

The child to remove.
Fires:
  • Widget#event:child_removed

removeChildren(a)

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Removes an array of children.

Parameters:
Name Type Description
a Array.<Widget>

An array of Widgets.

removePage(page)

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Removes a page from the Pager.

Parameters:
Name Type Description
page integer | Container

The container to remove. Either an index or the Container widget generated by addPage.
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set(key, value)

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Sets an option.

Parameters:
Name Type Description
key string

The option name.
value

The option value.

setStyle()

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Sets a CSS style property in this widget's DOM element.

show()

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Starts the transition of the visible to true.

showChild(child)

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Switches the hidden state of a child to shown. The argument is either the child index or the child itself.

Parameters:
Name Type Description
child Object | integer

Child or its index.

toggleChild(child)

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Toggles the hidden state of a child. The argument is either the child index or the child itself.

Parameters:
Name Type Description
child Object | integer

Child or its index.

toggleHidden()

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Toggle the hidden status. This is equivalent to calling hide() or show(), depending on the current hidden status of this widget.

transitionsDisabled()

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Returns true if transitions are currently disabled on this widget.

visibleChildren()

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Returns an array of all visible children.

Events

added

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A page was added to the Pager.

Parameters:
Name Type Description
page Container

The Container which was added as a page.

destroy

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Is fired when a widget is destroyed.

doubleclick

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Is fired after a double click appeared. Set dblclick to 0 to disable click event handling.

Parameters:
Name Type Description
event string

The browsers MouseEvent.

GenericDOMEvents

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Generic DOM events. Please refer to W3Schools for further details.

hide

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The hide event is emitted when a widget is hidden and is not rendered anymore. This happens both with browser visibility changes and also internally when using layout widgets such as Pager.

initialized

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Is fired when a widget is initialized.

redraw

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The redraw event is emitted when a widget is redrawn. This can be used to do additional DOM modifications to a Widget.

removed

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A page was removed from the Pager

Parameters:
Name Type Description
page Container

The Container which was removed.

resize

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The resize event is emitted whenever a widget is being resized. This event can be used to e.g. measure its new size. Note that some widgets do internal adjustments after the resize event. If that is relevant, the Widget#resized event can be used instead.

resized

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The resized event is emitted after each rendering frame, which was triggered by a resize event.

set

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The set event is emitted when an option was set using the Widget#set method. The arguments are the option name and its new value.

Note that this happens both for user interaction and programmatical option changes.

show

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The show event is emitted when a widget is shown and is being rendered. This is the counterpart to Widget#hide.

useraction

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The useraction event is emitted when a widget gets modified by user interaction. The event is emitted for the option show.

Parameters:
Name Type Description
name string

The name of the option which was changed due to the users action
value mixed

The new value of the option

visibility

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Is fired when the visibility state changes. The first argument is the visibility state, which is either true or false.